DR. DOROTHY T PRUSEK M.D.
NPI 1871592378
Internal Medicine in Elmhurst, IL
About Dr. Dorothy T Prusek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOROTHY T PRUSEK M.D. (NPI 1871592378) is an individual internal medicine provider in Elmhurst, Illinois, licensed in Illinois (036081546) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Dorothy T Prusek M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Dorothy Prusek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Elmhurst Memorial Hospital
Acute Care Hospitals · Elmhurst, ILEdward Hospital
Acute Care Hospitals · Naperville, ILAlexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dorothy Prusek's NPI number?
The NPI number for Dorothy Prusek is 1871592378. It was assigned to this individual provider in the NPPES registry on July 18, 2005.
Where is Dorothy Prusek located?
Dorothy Prusek practices at 755 N York St, Elmhurst, IL 60126. The listed phone number is (331) 221-2900.
What is Dorothy Prusek's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dorothy Prusek enrolled in Medicare?
Yes. Dorothy Prusek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dorothy Prusek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Prusek reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Elmhurst, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorothy Prusek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dorothy Prusek accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Dorothy Prusek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Dorothy Prusek affiliated with any hospitals?
According to CMS data, Dorothy Prusek is affiliated with Elmhurst Memorial Hospital, Edward Hospital and Alexian Brothers Medical Center 1.
When was this NPI record last updated?
The NPPES record for Dorothy Prusek was last updated on February 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.